National Stock Number
6660-01-154-1574
National Stock Number (NSN) 6660-01-154-1574, or NIIN 011541574, (transmissometer set) was assigned May 20, 1983 in the Federal Logistics Information System (FLIS). NIIN 011541574 was cancelled on January 24, 2007, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 12903. [ALL OF THE ITEMS REQUIRED FOR THE FUNCTIONING OF A COMPLETE ELECTRICAL AND ELECTRONIC SYSTEM FOR AUTOMATICALLY PROJECTING AND RECEIVING A LIGHT BEAM TO INDICATE AND RECORD ATMOSPHERIC CONDITIONS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660011541574 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.